c:v libsvt_hevc -rc vbr

q bitrate ssim vmaf speed bd-rate args
2 2096.2 kbps 0.9853871683836956 85.84384684819736 201.0 fps vmaf: 69.17%
ssim: 79.13% 		ffmpeg -i - -c:v libsvt_hevc -rc vbr -b:v {q}M "{o}"
3 3171.0 kbps 0.9920565746180596 92.96543443818867 194.0 fps
5 5258.9 kbps 0.9964466817435778 96.87068932202922 184.0 fps
7 7361.2 kbps 0.9979898172259478 98.0051689007071 178.0 fps

c:v libsvt_hevc -rc vbr -preset 3

q bitrate ssim vmaf speed bd-rate args
2 2093.3 kbps 0.9875695746035202 88.74792129531595 56.0 fps vmaf: 36.63%
ssim: 51.04% 		ffmpeg -i - -c:v libsvt_hevc -rc vbr -preset 3 -b:v {q}M "{o}"
3 3161.3 kbps 0.9936176915536008 94.72739605000811 52.0 fps
5 5246.1 kbps 0.997368057743336 97.70151243983806 47.0 fps
7 7342.8 kbps 0.9984569359720776 98.33923007905244 43.0 fps

c:v libsvt_hevc -rc vbr -preset 0

q bitrate ssim vmaf speed bd-rate args
2 2110.7 kbps 0.9911399403330242 92.77654724005146 14.0 fps vmaf: 5.60%
ssim: 26.99% 		ffmpeg -i - -c:v libsvt_hevc -rc vbr -preset 0 -b:v {q}M "{o}"
3 3137.2 kbps 0.995319451066513 96.5581413065048 10.0 fps
5 5298.0 kbps 0.9979282221014057 98.24935889281788 6.8 fps
7 7411.6 kbps 0.9987938424530676 98.59439227330716 5.1 fps

c:v hevc_amf (Desktop Zen4 iGPU)

q bitrate ssim vmaf speed bd-rate args
2 1962.5 kbps 0.9830739313235437 84.77274323077187 353.0 fps vmaf: 97.47%
ssim: 108.59% 		ffmpeg -i - -c:v hevc_amf -b:v {q}M "{o}"
3 2938.9 kbps 0.9898481804449489 91.28312299810456 354.0 fps
5 4909.3 kbps 0.9949614680785333 95.6828425342646 353.0 fps
7 6870.3 kbps 0.9969785479018036 97.34619495830715 351.0 fps

c:v hevc_nvenc

q bitrate ssim vmaf speed bd-rate args
2 2114.4 kbps 0.993584864491538 93.89469674973954 431.0 fps vmaf: 8.17%
ssim: 5.11% 		ffmpeg -i - -c:v hevc_nvenc -b:v {q}M "{o}"
3 3127.5 kbps 0.9964922963225018 96.49715799015472 433.0 fps
5 5120.2 kbps 0.9983606662998671 97.89369376258632 433.0 fps
7 7044.2 kbps 0.9988337031466104 98.31860313997414 434.0 fps

c:v hevc_nvenc -preset p7

q bitrate ssim vmaf speed bd-rate args
2 2115.3 kbps 0.9938999257793099 94.37195664511111 174.0 fps vmaf: 0.00%
ssim: 0.00% 		ffmpeg -i - -c:v hevc_nvenc -preset p7 -b:v {q}M "{o}"
3 3124.3 kbps 0.9967606146221961 96.82884597502371 174.0 fps
5 5110.8 kbps 0.9984902149460596 98.04211893647084 174.0 fps
7 7014.5 kbps 0.998892397498095 98.40286199148409 173.0 fps

c:v libx265

q bitrate ssim vmaf speed bd-rate args
2 2055.8 kbps 0.9946396736465222 94.03811573033823 58.0 fps vmaf: 3.62%
ssim: -11.60% 		ffmpeg -i - -c:v libx265 -b:v {q}M "{o}"
3 3047.1 kbps 0.9972096543135744 96.59176228580722 53.0 fps
5 5006.9 kbps 0.99871564397058 97.90183401626058 47.0 fps
7 6957.5 kbps 0.9991922043718197 98.29095457353564 43.0 fps

c:v libx265 -preset 6

q bitrate ssim vmaf speed bd-rate args
2 2067.3 kbps 0.9953993872920609 95.5046765258065 21.0 fps vmaf: -15.09%
ssim: -20.40% 		ffmpeg -i - -c:v libx265 -preset 6 -b:v {q}M "{o}"
3 3060.0 kbps 0.9976545657837425 97.30427168501807 19.0 fps
5 5022.3 kbps 0.9989240292292844 98.21044081916338 17.0 fps
7 6969.3 kbps 0.9993164342699217 98.49793431062027 15.0 fps

c:v libx265 -preset 6 -x265-params rect=0

q bitrate ssim vmaf speed bd-rate args
2 2068.0 kbps 0.9952952010091402 95.41423195106313 30.0 fps vmaf: -13.34%
ssim: -19.09% 		ffmpeg -i - -c:v libx265 -preset 6 -x265-params rect=0 -b:v {q}M "{o}"
3 3059.7 kbps 0.9975917510302647 97.24181424175761 27.0 fps
5 5018.8 kbps 0.9988950439076877 98.18447074820577 24.0 fps
7 6961.9 kbps 0.9992985858813095 98.47894527663195 22.0 fps

c:v libx265 -preset 6 -x265-params rect=0:aq-mode=1:aq-strength=0.8

q bitrate ssim vmaf speed bd-rate args
2 2073.0 kbps 0.9954088793200025 94.9743431778077 31.0 fps vmaf: -7.83%
ssim: -21.05% 		ffmpeg -i - -c:v libx265 -preset 6 -x265-params rect=0:aq-mode=1:aq-strength=0.8 -b:v {q}M "{o}"
3 3065.9 kbps 0.9977015412787328 97.06127028088787 28.0 fps
5 5020.9 kbps 0.99895814112795 98.1123198394646 25.0 fps
7 6958.2 kbps 0.9993362737885454 98.42821464763381 23.0 fps

c:v libx265 -preset slowxx -tune fff

q bitrate ssim vmaf speed bd-rate args
2 2059.9 kbps 0.9950365583287671 94.68766144457767 42.0 fps vmaf: -5.86%
ssim: -16.99% 		ffmpeg -i - -c:v libx265 -preset slowxx -tune fff -b:v {q}M "{o}"
3 3047.4 kbps 0.9974847986226091 96.95608961468758 41.0 fps
5 4999.6 kbps 0.9988517642897714 98.10202026985645 38.0 fps
7 6944.4 kbps 0.9992747583562637 98.4629948404333 36.0 fps

c:v libx265 -preset slowxx -tune ff

q bitrate ssim vmaf speed bd-rate args
2 2051.2 kbps 0.9955000608636688 95.22846625817598 28.0 fps vmaf: -12.15%
ssim: -21.46% 		ffmpeg -i - -c:v libx265 -preset slowxx -tune ff -b:v {q}M "{o}"
3 3035.4 kbps 0.9976692469966211 97.16823963875858 25.0 fps
5 4980.4 kbps 0.9988980080535642 98.18362845455924 21.0 fps
7 6921.3 kbps 0.9992915422254781 98.50564410432006 19.0 fps

c:v libx265 -preset slowxx -tune ff -x265-params sao=1

q bitrate ssim vmaf speed bd-rate args
2 2052.0 kbps 0.99549325009455 95.02055525755628 28.0 fps vmaf: -7.80%
ssim: -22.00% 		ffmpeg -i - -c:v libx265 -preset slowxx -tune ff -x265-params sao=1 -b:v {q}M "{o}"
3 3035.8 kbps 0.9976980488823441 97.02456694970385 24.0 fps
5 4988.2 kbps 0.9989509732181454 98.08055051571708 21.0 fps
7 6923.5 kbps 0.9993296806238655 98.40537812502633 18.0 fps